'Automated update v5.0.0'

'Automated update v4.1.1'

'Automated update v4.1.0'

'Automated update v4.0.1'

'Automated update v4.0.0'

update version number

Update CHANGELOG.md

Merge branch 'develop'

Merge branch 'develop'

# Conflicts:
#	climada/_version.py
#	setup.py